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Finding the Fourth Proportional to 145,333.48, 217,918.14 and 50,520.04

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Solution

The fourth proportional to 145,333.48, 217,918.14 and 50,520.04 is: 75,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,333.48 : 217,918.14 = 50,520.04 : x
  2. Step 2: Convert to fraction form
    145,333.48/217,918.14 = 50,520.04/x
  3. Step 3: Cross multiply
    145,333.48x = 217,918.14 × 50,520.04
  4. Step 4: Simplify right side
    145,333.48x = 11,009,233,149.53
  5. Step 5: Solve for x
    x = 11,009,233,149.53/145,333.48
  6. Step 6: Final answer
    x = 75,751.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.